User Manual for citronic models including: CSX-18, Mixing Console with 18 Channel, CSX-18 Mixing Console with 18 Channel, 170.885UK

Matthew Doyle

CSX-18 - AVSL

170.885UK User Manual. Introduction. Thank you for choosing the CSX-18 mixing console as part of your professional sound system. This product.

CSX-18

Item ref: 170.885UK User Manual

quick and easy location of various controls. The following pages of this manual are divided up into these stages to explain the details and function of each control. Mic/Line Input Connections Channel inputs are provided as XLR and/or 6.3mm jack sockets. The connections for these inputs are assigned as follows.


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170885UK
CSX-18
MIXING CONSOLE
Item ref: 170.885UK User Manual
Version 1.1
Caution: Please read this manual carefully before operating Damage caused by misuse is not covered by the warranty

Introduction
Thank you for choosing the CSX-18 mixing console as part of your professional sound system. This product has been developed to provide comprehensive range of audio requirements with high quality, reliable results. Please read and keep this manual to achieve the best results from your purchase and avoid damage through misuse.
Package Contents
· CSX-18 mixing console · Mains power lead(s) · User manual
If you find any accessory is missing or the product has arrived with any problems, please contact your retailer at once.
This product contains no user-serviceable parts so make no attempt to try to fix or modify this item yourself as this will invalidate the warranty. We recommend you keep the original package and proof of purchase for any possible replacement or return demand.
Warning
To prevent the risk of fire or electric shock, do not expose any of the components to rain or moisture. If liquids are spilled on the console, stop using immediately, allow the unit to dry out and have checked by qualified personnel before further use. Avoid impact or heavy vibration to any of the components. No user serviceable parts inside - refer servicing to qualified service personnel.
Safety
· Ensure that the correct mains lead is used with adequate current rating and that the mains voltage is as stated on the unit.
· Avoid ingress of water or particles into any part of the housing. · Do not cover or obstruct cooling vents.
Placement
· Keep the console out of direct sunlight and away from heat sources. · Do not place heavy objects on top of the control surface. · If rack-mounting, use the correct rack-ears and ensure adequate support for the weight of the product. · Allow adequate space for airflow and keep the console away from damp or dusty environments.
Cleaning
· Use a soft dry or slightly damp cloth top clean surfaces of the console. · A soft brush can be used to clear debris from between controls without damaging them. · To avoid damage, do not use solvents to clean the components.
170.885UK User Manual

Console layout
The CSX-18 has comprehensive input and output sections which can be split further into various stages of processing and routing. All preamps have studio grade, low noise architecture for the cleanest possible path throughout the signal chain. The input stages are repeated across each channel of the console, which simplifies operation and enables quick and easy location of various controls. The following pages of this manual are divided up into these stages to explain the details and function of each control. Mic/Line Input Connections Channel inputs are provided as XLR and/or 6.3mm jack sockets. The connections for these inputs are assigned as follows.
170.885UK User Manual

Channel Functions

1. MIC / Line input Connect a balanced microphone or line input to this XLRF input. An unbalanced microphone or line signal can be connected by XLR provided that +48V phantom power is not used. Wired as follows.

Balanced Unbalanced

Pin 1 = Ground Pin 1 = Ground

Pin 2 = Signal + Pin 3 = Signal ­ Pin 2 = Signal + Pin 3 = Ground

Balanced Unbalanced

The Mic/Line input can also accept a 6.3mm balanced TRS or unbalanced TS plug (jack plug). Phantom power does not affect this connection. Wired as follows.

Tip = Signal + Tip = Signal +

Ring = Signal ­ Ring = Ground

Sleeve = Ground Sleeve = Ground

2. Clip LED

The CLIP LED lights when the channel is being overloaded. Ideally, the Gain rotary control (described below) should be adjusted so that the loudest passages of the input signal (e.g. bass drum beats) will just momentarily trigger the CLIP LED. Anything longer than a momentary flicker of the CLIP LED means that the Gain should be reduced. Using the PFL button further down the channel strip gives a more detailed view of the channel level on the main VU LEDs.

3. GAIN control

This control trims the input signal to the optimum level for the channel strip circuitry. Too low a signal level can result in a weak signal-to-noise ratio and too high can result in overload and distortion in the signal output.

4. Stereo inputs

The two right-most input channels on the console are stereo with Left and Right 6.3mm jack inputs. Alternatively, a mono signal can be connected to the Left input jack and the channel will effectively operate as a mono channel.

EQ Section

5. HIGH 6. MID 7. LOW

This control can boost or cut the high frequencies (centre 12kHz) by ±15dB (12 o'clock position is zero)
This control can boost or cut the mid frequencies (centre 2.5kHz) by ±15dB (12 o'clock position is zero)
This control can boost or cut the low frequencies (centre 80Hz) by ±15dB (12 o'clock position is zero)

170.885UK User Manual

Channel Routing

8. AUX

This control governs the amount of signal from the channel routed to the AUX SEND or auxiliary output to external equipment.

9. POST / PRE

Pressing this button in changes the AUX output from POST to PRE. POST is post-fader, meaning the signals to the AUX output are also affected by the channel fader level. PRE is pre-fader, meaning the signals to the AUX output are not affected by the channel fader level.

10. FX section

This control governs the amount of signal from the channel routed to the effects

11. PAN/BAL outputs.

This control adjusts the amount of signal from the channel fed to Left or Right
This varies the point in the stereo field that the signal appears. For ST1 and ST2 channels, the PAN control is replaced with a BAL control for Left/Right balance.

Channel Faders

12. PFL

Pre-Fade Listen sends the channel signal direct to monitoring. This means that the channel signal is shown on the main VU LEDs. and routed directly to the headphones output. If many PFLs or AFLs are selected, all are routed to monitoring.

13. Channel fader 60mm fader to adjust the channel level to the master output.

Output Section

14. 2-TRACK INPUT L+R RCA line input shared with MPR

15. 2-TRACK OUT L+R RCA line output for recording or Monitoring (pre-master-fader)

16. MAIN L/R OUT L+R balanced XLR main outputs

17. AUX SEND

6.3mm jack mix of all channel AUX feeds

18. FX MUTE

Connect a non-latching footswitch to this 6.3mm jack to mute/unmute the output of the DSP effects when pressed.

19. MONITOR OUT L+R 6.3mm jack outputs for monitoring. Volume is controlled by PHONES LEVEL.

20. PHONES

Stereo 6.3mm jack headphones output. Volume is controlled by PHONES LEVEL.

Graphic Equalizer

The main EQ is a stereo 7-band graphic equalizer to give overall tone shaping and can be used to help avoid feedback in live microphone setups.

170.885UK User Manual

Each slider controls a boost or cut of up to 12dB centred at the specified frequency. USB Media Player/Recorder

21. USB

USB type A socket for connecting a USB stick or pen drive

22. Display Backlit LCD display showing playback or BT status

23. Controls Menu and navigation controls for media player/recorder

Main Menu

To step through the player options, press the MENU button. Use the  and  buttons to navigate options: BT (Bluetooth), MSC (Music), REC (Record), PC and SYS (System).

(PC is not currently functional on the CSX mixers ­ this is for future development) BT - Bluetooth Mode

To connect a smart phone or tablet to the CSX mixer via Bluetooth, firstly make sure no USB device is connected (USB takes priority over Bluetooth) and press the MENU button. Use the  and  buttons to navigate to BT (Bluetooth) and press/to select. The display (22) will show Bluetooth mode.

Enable Bluetooth on the sending device and select to pair with a device called "Citronic".
Once paired and connected, the display will state "BLUETOOTH CONNECT" and "BT PAUSE" if a track is stopped or "BT PLAY" if a track is playing. The transport buttons /,  and  will control tracks on the sending device as they would for a USB track.

MSC - USB Playback

If no USB device is inserted, the display will state "NO DEVICE" To initiate playback of audio files from a USB pen drive, insert the pen drive into the USB port (21).

Playback should start automatically. If not, press the / button or remove the USB drive and check that the files stored are either .mp3, .wma, .ape or .flac format before re-inserting the drive. During playback, the display will show the file name, elapsed time, playback mode and track number.
To navigate through the tracks stored on the device, press the Previous  and Next  buttons.

Press and hold the Previous or Next button to decrease or increase the media player volume.

Press the Play/Pause button / to temporarily stop or resume the current track.

Press the MENU button to see playback options for USB and use  and  buttons to select an option.

Play Mode: Select All Play, One Device, One Play or Random and press / to confirm.

· All Play will play through all tracks stored on the USB drive and repeat. · One Device will play all tracks stored in the current folder and repeat. · One Play will repeat the current track. · Random Play will play through all tracks on the USB drive in a random order.

EQ Mode: Select Normal, Rock, Pop, Classic, Jazz or Country tone profile and press / to confirm. Disk Root: Select root of device or individual folders stored on the device for playback Delete File: Press / to delete the current file from the device.
170.885UK User Manual

Press and hold the /button during playback to exit to the main menu. REC - Record Function
Insert a USB pen drive which is formatted to FAT32 in order to record the main output onto it. If there are any audio files already stored on the USB device, they will begin to play automatically. Press and hold the MENU button and this will enter the recording mode in a paused state. Press / to begin recording and / to pause or continue. Hold / to stop and store the file. The recording will be stored as an mp3 file named "FILE****.mp3" where **** is the track number. Each recorded file will be stored onto the USB media in a folder named "JL_REC".
SYS - System Menu
Backlight: Press / to select "Backlight" and use  and  to choose the time-out value for the display backlight
10sec, 30sec, 1min, 5min, 10min or never.
This is the time of no activity before the display backlight automatically switches off and then will switch on again when any button is pressed.
Contrast: Press / to select "Contrast" and use  and  to choose the balance of LCD to backlight. This helps to set the optimum clarity of the display for reading.

2-TK/USB/BT Channel

24. 2-TK

Adjusts the level of the 2-TK input (L+R RCA input) to the Main L/R outputs

25. PHONES LEVEL Adjusts the volume of the headphones and monitor outputs

26. AFL

After Fade Listen: routes USB player/recorder or BT wireless receiver output to the headphones and monitor outputs and LED VU meters.

27. TO AUX

When pressed in, this will route the USB player/recorder or BT wireless receiver to the AUX output. Ideal for sending guide tracks or prompts to stage monitors.

28. USB/BT Fader Controls the playback output volume of the USB Media Player/Recorder or BT wireless receiver for playback

Graphic EQ

The main EQ is a stereo 7-band graphic equalizer to give overall tone shaping and can be used to help avoid feedback in live microphone setups.
Each band controls a boost or cut of up to 12dB centred at the specified frequency indicated at the bottom of each slider.

Running from bass to treble, these are 63Hz, 160Hz, 500Hz, 1kHz, 2.5kHz, 6.3kHz and 16kHz
170.885UK User Manual

DSP Effects (FX)

29. PROGRAM

Rotate to select a preset and push to select. Push again to select parameter 1. A single red dot will flash in the display. Rotate to set value and push to accept value.

30. Display

LED numeric display to show effect status Includes an LED VU meter to show effects bus level.

31. TAP/TEMPO

Tap button 3 or more times in time with music to set repeats of delay effects or press this button to access parameter 2 on other effect patches (see DSP Effects Table section). The tempo will be indicated by the adjacent flashing LED.

32. AUX MASTER Master volume control for mix of all AUX signals.

33. AFL

After Fade Listen: routes AUX output to the headphones and monitor outputs and VU meters.

34. FX MASTER Master volume control for output of DSP FX

35. AFL

After Fade Listen: routes DSP FX output to the headphones and monitor outputs and VU meters

36. TO AUX

Press in to send DSP FX output to the AUX bus

37. EFFECTS Fader Controls the output of the DSP FX to the main mix

Main Output 38. +48V
39. VU Meters 40. MAIN Faders

Phantom power switch. Press in to enable +48V to all XLR channel inputs to power condenser microphones or DI boxes.
LED level meters for main output or PFL/AFL monitoring
Left + Right faders for main output level

Rear Panel
41. IEC mains inlet and fuse holder Connect the supplied power lead here.
42. Power on/off switch Turn down main level controls before powering up or powering down.

170.885UK User Manual

170.885UK User Manual

Specifications

Power supply Fuse Power consumption max. Input level Phantom power EQ: high EQ: mid EQ: low 2-track EQ master bands Output level
Output: master REC output Headphone impedance DSP effects processor Frequency response Channel crosstalk CMRR THD +N
Noise rms : 22Hz-22kHz Dimensions Weight

100-240Vac, 50/60Hz (IEC) T3AL @ 230V / T6AL @ 115V 30W +24dBu (mic/line), +20dBu (stereo line) max. +48V globally switched to XLR inputs 12kHz ±15dB (shelving) 2.5kHz ±15dB (band pass) 80Hz ±15dB (shelving) L+R RCA, 4k Ohm, -2dBu 63, 160, 500, 1k, 2.5k, 6.3k, 16k (all in Hz) +26dBu (XLR), +20dBu (TRS jack) max. XLR balanced, 75 ohm, +4 dBu, Max.+22 dBu
L+R RCA, <75 Ohm, -2dBu 30-600 Ohms 24-bit sigma-delta, 64/128 times over-sampling, 40kHz 20Hz - 30kHz (-0.5dB) >82dB >75dB (Mic @ 1kHz) <0.01% (Channel to mix out) EIN -122dBu, Residual output -90dBu, Main/Aux mix -82dBu
622 x 402 x 108mm 6.3kg

Troubleshooting

No power LED on control panel
Power LED is on but no other LEDs and no output
Power light and VU LEDs lighting but no speaker output No playback from USB or SD media VU LEDs do not show MAIN output levels Output is very loud or distorted
Output is working but at very low level

Ensure mains outlet voltage is correct for the unit Check power is switched on at the rear panel Check IEC fuse ­ if blowing fuses, refer to qualified service personnel Check input signals and condition of connection leads Check GAIN is not too low on channel input Check Gain/Level controls and EQ controls are not turned fully down When using condenser microphones, check that +48V phantom is on. Check that PFL/AFL buttons are all switched out Check that all Graphic EQ sliders are not fully down For MPR digital audio inputs, check signal routing Check output connections to speakers Check that speakers are in good working order Check MASTER faders are not fully down Check that files are standard compressed audio format Check routing option for MPR section, switch to main L/R Check MPR level and/or ST2 level controls Check that PFL/AFL buttons are all switched out Check level of input signal is not too high Reduce Gain/Level controls and EQ settings Ensure Hi-Z line level input(s) not connected via XLR Check AUX and DSP level controls and reduce if necessary Check input audio source level is not too low Ensure low impedance line or mic signal is not connected via jack Increase Gain/Level controls and EQ settings if turned down

Disposal: The "Crossed Wheelie Bin" symbol on the product means that the product is classed as Electrical or Electronic equipment and should not be disposed with other household or commercial waste at the end of its useful life.
The goods must be disposed of according to your local council guidelines.

Hereby, AVSL Group Ltd. declares that the radio equipment type 170.885UK in compliance with Directive 2014/53/EU
The full text of the EU declaration of conformity for 170.885UK is available at the following internet address: http://www.avsl.com/assets/exportdoc/1/7/170885UK%20CE.pdf
Errors and omissions excepted. Copyright© 2021. AVSL Group Ltd. Unit 2-4 Bridgewater Park, Taylor Rd. Manchester. M41 7JQ AVSL (EUROPE) Ltd, Unit 3D North Point House, North Point Business Park, New Mallow Road, Cork, Ireland
170.885UK User Manual



References

Microsoft Word for Microsoft 365